I have this form <%= form_for @conn, Routes.admin_products_path(@conn, :create_product), [as: :create_product, id: "product-form", class: "mt-5 mb-5 login-input", method: :post, multipart: :true], fn f -> %> <div class="form-group"> …

Hi @david234 , you need to write it like this: def create_product(conn, %{"create_product" => %{"images" => images, "videos" => videos} = product_params) when is_list(images) and not is_list(videos) do Basically, you need to pattern match out the values you want to use in the guards. Do note that…

thanks @benwilson512 for your response. So i wrote like this def create_product(conn, %{"create_product" => %{"images" => images, "videos" => videos} = product_params}) when is_list(images) and is_list(videos) do def create_product(conn, %{"create_product" => %{"images" => images, "videos" => …

Without know what you’re doing in the function body it’s hard to say. Personally I’d probably do something more like: def create_product(conn, %{"create_product" => product_params}) do images = product_params["images"] || [] videos = product_params["videos"] || [] But again, it depends on wha…

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Cannot invoke remote function Access.get/2 inside guards

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david234 April 10, 2020, 5:11pm 5

Thank you very much @benwilson512